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/*
* $Id$
*
* Copyright © 2004 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
/*
* This definition comes from region.h which is not installed by
* the monolithic Xlib build system
*/
typedef struct {
short x1, x2, y1, y2;
} Box, BOX, BoxRec, *BoxPtr;
typedef struct _XRegion {
long size;
long numRects;
BOX *rects;
BOX extents;
} REGION;
typedef struct {
XRectangle geometry; /* in screen space, read-only */
int border_width; /* read-only */
XRectangle damage; /* in window space, client may modify */
XImage *image; /* read-only */
Region damage_region; /* in window space, client may modify */
} XLightPipeWindow;
/*
* Initialize library. Must be called before first XOpenDisplay call
*/
void
XLightPipeInit (void);
/*
* Start monitoring window, returns success boolean
*/
Bool
XLightPipeAttendWindow (Display *display, Window window, Bool provide_region);
/*
* Start monitoring all sub windows; create/destroy handled
* automagically
*/
Bool
XLightPipeAttendSubwindows (Display *display, Window window, Bool provide_region);
/*
* Stop monitoring window. Note that monitoring is automatically
* disabled if the window is destroyed
*/
void
XLightPipeIgnoreWindow (Display *display, Window window);
/*
* Returns XLightPipeWindow structure if there is any damage,
* else 0. The XLightPipeWindow structure is 'locked' on return
* and must be 'released' before any other calls to the library
* including XLightPipeIgnoreWindow.
*/
XLightPipeWindow *
XLightPipeCheckWindow (Display *display, Window window, Bool block);
/*
* Returns a random window containing damage, 0 if none
*/
XLightPipeWindow *
XLightPipeCheckAny (Display *display, Bool block);
/*
* Release the XLightPipeWindow structure so that
* additional damage can be added.
*/
void
XLightPipeRelease (Display *display, XLightPipeWindow *lpw);
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